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Derale Performance 35621 Thermostatically Controlled LS Engine Oil Cooler Adapter Kit

(Chevrolet Silverado 1500 1999-2020, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 1997-2014, Camaro 1997-2002, 2010-20, Corvette 1997-2020 + 84 more models)

Manufacturer

Picture for manufacturer Derale Performance

Part Number

35621
5 reviews
Sale Price

$204.74

2 left at this price

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Usually delivered within 2 days

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Product Details

The Derale Performance 35621 is a precision-engineered oil cooler adapter kit designed specifically for LS engines, featuring an integrated thermostatic control system for optimal engine performance and longevity. Constructed from CNC-machined billet aluminum, this adapter provides superior strength and heat dissipation compared to cast alternatives.

Key Features:

  • Built-in 180°F thermostatic valve for automatic oil temperature regulation
  • Billet aluminum construction for maximum durability and heat transfer
  • Bypass design allows cold oil to circulate during warm-up, reducing engine wear
  • Automatic engagement routes 100% of oil through cooler once operating temperature is reached
  • Maintains constant oil pressure throughout thermal cycling
  • Accelerates engine warm-up time for improved efficiency
  • Direct-fit design for LS-series engines

This thermostatically controlled adapter eliminates the performance loss and excessive wear associated with forcing cold, high-viscosity oil through a cooler during startup. The internal thermostatic valve intelligently manages oil flow—bypassing the cooler until oil reaches 180°F, then closing to direct full flow through the cooling system. This ensures your engine reaches optimal operating temperature quickly while providing maximum cooling performance when needed most.

Products specifications

Fits

Chevrolet Silverado 1500 1999-2020, Silverado 1500 HD 2001-03, 2005-06, Suburban 1500 1997-2014, Camaro 1997-2002, 2010-20, Corvette 1997-2020, Silverado 2500 HD 2001-19, Tahoe 1997-2020, Impala 2006-09, Colorado 2009-12 + 80 more models

2.

Provides quicker warm-up temperatures

1.

Bypasses cooler until fluid temperature reaches 180°F

11.

6061 Aluminum Billet

10.

Clears most long tube headers for LS swaps

7.

-10AN ORB inlet/outlet ports for maximum flow

9.

Ultra low profile design

3.

Perfect for cold weather climates

4.

Flows up to 20 gallons per minute

6.

Black anodized finish

13.

1/8" NPT Ports

5.

Rated up to 200 psi

8.

Activating temperature: 180°F

12.

Viton o-rings

Prop 65

Yes

quick and easy!

Everything as of now going good!

In all I'm very happy with how the product works and the delivery time and communication from Autoplicity

It was a pleasure doing business with this company.

Easy and fast

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